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I don't know the best way to do this ( maybe someone can advise me of that too ), but I have already started a thread on the SUPER DUTY/HEAVY DUTY page asking about 5.4L engine mods. I now know this 5.4L page was probably the best place to start except for the fact that half the problem is finding the parts I am being advised to get are for a F250 SD 5.4 and not a F150 4.6 & 5.4.
Is it too much trouble to check in on my "Major Engine Mods?" thread on the SD/HD page if you have experience in this area? Or is this bad forum edicate (can't spell it but you know what I meant)? I don't want to get in trouble, but I'd hate to waste the thread going over there or keep retyping everything twice and I really want some pros to advise.
Let me know what you find, I am forced to look into internals. I am a bit upset that there are no aftermarket casting heads available, ported stock just is expensive for no more than it is.